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Late systolic murmur

← All sounds

Listen for: S1 and early systole are clear; the murmur starts in mid-to-late systole and runs up to S2.

Usually means: Classically mitral valve prolapse, sometimes after a click; also papillary muscle dysfunction.

6 recordings of this finding. Compare with normal heart sounds to hear the difference.

References2
  1. Bickley LS, Szilagyi PG, Hoffman RM, Soriano RP. Bates' Guide to Physical Examination and History Taking. 13th ed. Philadelphia: Wolters Kluwer; 2021. Cardiovascular system chapter.
  2. Etchells E, Bell C, Robb K. Does this patient have an abnormal systolic murmur? JAMA. 1997;277(7):564-71.